{"instruction": "You are an expert in event extraction. Please extract events from the input that conform to the schema definition. Return an empty list for events that do not exist, and return NAN for arguments that do not exist. If an argument has multiple values, please return a list. Respond in the format of a JSON string.", "schema": [{"event_type": "discover vulnerability", "trigger": true, "arguments": ["capabilities", "vulnerable system", "vulnerable system version", "supported platform", "time", "vulnerable system owner", "common vulnerabilities and exposures"]}, {"event_type": "ransom", "trigger": true, "arguments": ["damage amount", "attack pattern", "tool", "payment method", "victim", "place", "price", "attacker", "time"]}, {"event_type": "phishing", "trigger": true, "arguments": ["victim", "attack pattern", "damage amount", "purpose"]}, {"event_type": "data breach", "trigger": true, "arguments": ["place", "purpose", "tool", "number of victim", "attack pattern", "victim", "time", "compromised data", "attacker", "damage amount"]}, {"event_type": "patch vulnerability", "trigger": true, "arguments": ["issues addressed", "common vulnerabilities and exposures", "releaser", "patch", "vulnerability", "vulnerable system version", "time"]}], "input": "Colorado Department of Transportation employees spent a second day offline Thursday as security officials investigated the damage done by a ransomware virus that hijacked computer files and demanded payment in bitcoin for their safe return ."}
{"discover vulnerability": [], "ransom": [{"trigger": "demanded payment", "arguments": {"damage amount": "NAN", "attack pattern": "hijacked computer files", "tool": "a ransomware virus", "payment method": "in bitcoin", "victim": ["Colorado Department of Transportation", "employees"], "place": "NAN", "price": "NAN", "attacker": "NAN", "time": "Thursday"}}], "phishing": [], "data breach": [], "patch vulnerability": []}